Re: High oil pressure

From: kwreimer (kwreimer@email.msn.com)
Date: Wed Aug 01 2001 - 20:46:36 EDT


So sorry i just like caps on so no one has to squint to read. Sorry. just a
bad habbit.
----- Original Message -----
From: "Ronald Wong" <ron-wong@home.com>
To: <dakota-truck@buffnet.net>
Sent: Wednesday, August 01, 2001 5:35 PM
Subject: RE: DML: High oil pressure

> Must you yell??
>
> Ron
> 00 PB SLT QC 4X2 5.9 46RE 3.92 LSD
> For modifications see my DML Profile (URL follows)
> http://www.twistedbits.net/WWWProfile/dakota/Kw9pV1EkFeOYY
>
>
> -----Original Message-----
> From: owner-dakota-truck@buffnet.net
> [mailto:owner-dakota-truck@buffnet.net]On Behalf Of kwreimer
> Sent: Wednesday, August 01, 2001 3:14 PM
> To: dakota-truck@buffnet.net
> Subject: Re: DML: High oil pressure
>
>
> YOUR TRUCK OIL PREASSURE IS NORMAL. ALWAYS READS MORE WHEN COLD,UNTIL THE
> OIL WARMS THEN IT THINS CREATING LOWER READINGS.AND CRUISING SPEEDS 35-45
> NORMAL... DONT SWEAT IT.
> ----- Original Message -----
> From: "Bob Tom" <tigers@bserv.com>
> To: <dakota-truck@buffnet.net>
> Sent: Wednesday, August 01, 2001 1:26 PM
> Subject: Re: DML: High oil pressure
>
>
> > At 03:03 PM 8/1/01 -0400, you wrote:
> > >Well I just installed an Auto Meter mechanical oil pressure gauge a
> couple
> > >of days ago to help keep an eye on the 360 that was installed a couple
of
> > >weeks ago. The motor has about 1100 miles and I'm running 5 w 30 dino
oil
> on
> > >it now and the oil pressure has me a little concerned. The stock gauge
> has
> > >always been erratic so I didn't trust it, but when I installed the Auto
> > >Meter it shows 70 PSI at idle and as much as 78 PSI when accelerating
> > >normally when cold, after it warms up it's at 15PSI at idle and 40-50
> > >PSI(depending on what speed) on the freeway, and up to 60-65 under WOT.
I
> > >don't have a problem with the readings after it's warmed up, but the
> 70-78
> > >PSI when cold seems to me to be a little high, especially as the
outside
> > >temps are in the 80-90's, what the hell is going to happen when it's
cold
> > >out. I can't think of anything other than the oil pump causing this,
> isn't
> > >there some sort of check valve in the pump. Any idea's or suggestions
> would
> > >be appreciated. Thanks Sam South
> >
> > I don't think that you're cold start oil pressure is too high,
especially
> for
> > a freshly rebuilt one.
> >
> > Generally the only "problem" high oil pressure will have is higher oil
> > temperature
> > and the oil filter gasket leaking (you'll have to get a lot higher to
> > explode the oil filter).
> > It could also cause the oil filter by-pass to open when the engine is
> cold.
> > This would
> > let unfiltered oil go through the engine (but this happens anyways from
> > time to time).
> >
> > There is an oil pressure relief spring on the oil pump which can be
> > adjusted by adding
> > or removing shims. Removing shims decreases pressure.
> >
> > I would just see if there are oil spots appearing on the driveway or
road
> > after a period
> > of parking, or, from time to time, take a look and see if any oil is
> > leaking from the
> > gasket along the side the oil filter.
> >
> > Bob
> >
> >
>
>
>



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